Dyness B4850 User Manual Download Page 11

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B4850 ESS Unit User Manual

Figure 2-2 CAN/485 interface definition

Table 2-4 Pin Definition

Foot position

Color

Definition

PIN1

Orange/white

485A

PIN2

Orange

XGND

PIN3

Green/white

485B

PIN4

Blue

CANH

PIN5

Blue/white

CANL

PIN6

Green

Reserve

PIN7

Brown/white

XIN

PIN8

Brown

Reserve

PIN9

Orange/white

Reserve

PIN10

Orange

XGND

PIN11

Green/white

Reserve

PIN12

Blue

CANH

PIN13

Blue/white

CANL

PIN14

Green

Reserve

PIN15

Brown/white

XOUT

PIN16

Brown

Reserve

Front

Plug

Socket of communication port

CAN/485

Summary of Contents for B4850

Page 1: ...User Manual B4850 ESS Unit ...

Page 2: ...2 4 4 Other Protection 11 3 INSTALLATION AND CONFIGURATION 11 3 1 READY FOR INSTALLATION 11 3 1 1 Environmental requirements 12 3 1 2 Tools and data 12 3 1 3 Technical preparation 12 3 1 4 Unpacking inspection 13 3 1 5 Engineering coordination 14 3 2 EQUIPMENT INSTALLATION 15 3 2 1 Installation preparation 15 3 2 2 Mechanical installation 15 3 2 3 Electrical installation 16 3 2 4 Battery parameter...

Page 3: ...tions Customer can check the related information on the website of Jiangsu Daqin New Energy Technology Co Ltd when the product or technology is updated Web URL http www dyness tech com cn Please note that the product can be modified without prior notification Revision History Revision NO Revision Date Revision Reason 1 0 2019 04 24 First Published 1 1 2019 05 23 1 Add simple bracket installation i...

Page 4: ...ompany s technical support Device breakdown due to unauthorized operation will not be covered under warranty Caution Our product have been strictly inspected before shipment Please contact us if you find any abnormal phenomena such as device outer case bulging The product shall be grounded properly before use In order to ensure your safety To assure the proper use please make sure parameters among...

Page 5: ...tra electricity into battery from photovoltaic power generation system in daytime and supply stable power to user s equipment as power backup at nighttime or any time when needed It can improve the efficiency of photovoltaic power generation and increase the electric power efficiency by peak load shifting This user manual details the basic structure parameters basic procedures and methods of insta...

Page 6: ...c non pollution environment friendly battery Anode materials are lithium iron phosphate LiFePO4 safer with longer life span Carries battery management system with better performance possesses protection function like over discharge over charge over current abnormal temperature Self management on charging and discharging Single core balancing function Intelligent design configures integrated inspec...

Page 7: ... battery cannot be put into the garbage can and must be professionally recycled After the battery life is terminated the battery can continue to be used after it recycled by the professional recycling organization and do not discard it at will This battery product meets European directive requirements This battery product passed the TUV certification test Dangerous goods warning label on the top o...

Page 8: ... performance parameter Item B4850 Parameter value Nominal Voltage V 48 Work Voltage Range V 42 54 Nominal Capacity Ah 50 Nominal Energy kWh 2 4 Nominal Power kW 0 7 Max Power kW 2 4 1S Peak Power kW 2 64 1S Peak Current A 55 Charging Current A 25 Discharge Current A 25 2 3 Interface Definition This section elaborates the interface functions of the front interface of the device Figure2 1 The sketch...

Page 9: ...er the condition of trigger protection is released it can be automatically closed 8 RUN Green light flashing during standby and charging mode Green light always on when discharging 9 CAN 485 Communication cascade port support CAN RS485 communication factory default CAN communication 10 DRY CONTACT 11 ADD DIP switch 2 3 1 DIP switch definition and description Table 2 4 Interface Definition DIP swit...

Page 10: ... to ON the DIP switch of the slaves need to turn the 4 to ON 7 The DIP switch of the slaves no need to be changed 8 If the energy storage system has only one B4850 it is the host itself and still follow the above steps Note For more information of matching inverter brands please subject to the latest document The list of compatibility between Dyness ESS and Inverters 2 If the host is a B4850 batte...

Page 11: ...IN2 Orange XGND PIN3 Green white 485B PIN4 Blue CANH PIN5 Blue white CANL PIN6 Green Reserve PIN7 Brown white XIN PIN8 Brown Reserve PIN9 Orange white Reserve PIN10 Orange XGND PIN11 Green white Reserve PIN12 Blue CANH PIN13 Blue white CANL PIN14 Green Reserve PIN15 Brown white XOUT PIN16 Brown Reserve Front Plug Socket of communication port CAN 485 ...

Page 12: ...ttery Management System BMS 2 4 1 Voltage Protection Low Voltage Protection in Discharging When any battery cell voltage or total voltage is lower than the protection value during discharging the over discharging mode is activated and the battery buzzer makes an alarm sound Then battery system stops supplying power to the outside When the voltage of each cell back to rated return range the protect...

Page 13: ...xternal loads and power supply and no external communication for over 72 hours device will dormant standby automatically Caution Battery s maximum discharging current should be more than load s maximum working current 3 Installation and Configuration 3 1 Ready for installation Safety Requirement This system can only be installed by personnel who have been trained in the power supply system and hav...

Page 14: ...rs Temperature meter Pliers to hold the wire Anti static bracelet Stripping pliers Cable tie Electric drill Tape measure 3 1 3 Technical preparation Electrical interface check Devices that can be connected directly to the battery can be user equipment power supplies or other power supplies Confirm whether the user s PV power generation equipment power supply or other power supply equipment has a D...

Page 15: ...ations to prevent from being exposed to sun and rain Before unpacking the total number of packages shall be indicated according to the shipping list attached to each package and the case shall be checked for good condition In the process of unpacking handle with care and protect the surface coating of the object Open the package the installation personnel should read the technical documents verify...

Page 16: ...g capacity Make sure that the battery has enough room to install and that the battery rack and bracket have enough load capacity Wiring Make sure the power line and ground wire are reasonable Not easy to short circuit water and corrosion Communication parallel cable Black L250mm Double RJ45 plug 1 Communication cable to inverter Black L2000mm Double RJ45 plug 1 Ground wire L500mm 4mm 1 User Manual...

Page 17: ...r 2 Battery module total positive cable installation 3 Battery module total negative cable installation 4 Connect the communication cable from the master CAN IN to the inverter 5 Turn on the Power switch and wake up system by SW button 6 Close the DC breaker between inverter and battery 7 Turn on the inverter and check the communication between inverter and battery system 3 2 1 Installation prepar...

Page 18: ...er resistor file probe the same end of positive and negative pole if the resistor shows infinity means that the cable is available After visual testing of power line is connection the positive and negative poles of the battery shall be connected respectively to the positive and negative poles of the opposite terminal 1 Place the B4850 and brackets as shown in the figure3 4 and insert the B4850 int...

Page 19: ... Voltage U 60V Current I Inverter power 45V The circuit breaker is installed between the battery module and the inverter as shown in Figure 3 8 No 1 No 2 No 3 No 4 No 5 No 6 Figure3 8 Power cable negative Power cable positive Parallel cable positive Parallel cable negative Communication cable to inverter Communication parallel cable Circuit breaker Inverter ...

Page 20: ...ject to the latest document The list of compatibility between Dyness ESS and Inverters 3 2 4 Battery parameter settings on the inverter Max Charging Bulk Voltage 53 5V Absorption Voltage 53V Float Voltage 52 5V Shut Down cut off Voltage 47V Shut Down cut off SOC 20 Restart Voltage 49V Max Charge Current 25A battery QTY Max Discharge Current 25A battery QTY Capacity 1 B4850 50Ah 3 2 5 Register on t...

Page 21: ... be eliminated please contact the dealer timely 2 Use a voltmeter to measure whether the voltage of the circuit breaker battery access terminal is higher than 42V and check whether the voltage polarity is consistent with the inverter input polarity If the circuit breaker battery input terminal has a voltage output and is greater than 42V then the batterybegun to work normally 3 After confirming th...

Page 22: ...tery should be 0 5C d The recommend maximum depth of discharge DOD of Battery PACK is no more than 80 4 2 Alarm description and processing When protection mode is activated or system failure occurred the alarm signal will be given through the working status indicator on the front panel of the B4850 The network management can query the specific alarm categories If the fault such as single cell over...

Page 23: ... power supply time is too short Battery capacity become smaller Storage battery replacement or add more modules 4 The battery can t be fully charged to 100 Charging voltage is too low Adjust charging voltage at 53 5V or 54V 5 The power cable sparks once power on and ALM light RED Power connection short circuit Turn off the battery check the cause of the short circuit 6 Communication fault The DIP ...

Page 24: ...Jiangsu Daqin New Energy Tech Co Ltd Address 158 South Ji an Road Hi Tech District Yangzhou City Jiangsu Province China 211400 Email sales dyness net Website http www dyness tech com cn ...

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